Food Addiction and Hormone Study

Inclusion Criteria: * Participants will include men and women who identify with weight struggles related to disordered eating and a control sample of people who do not identify with weight issues or disordered eating. Must be able to read and write English Exclusion Criteria: * Anyone with a chronic disease including type II diabetes, hypothyroidism, hypoparathyroidism, cardiovascular disease, cancer of any type * Anyone who is currently pregnant, or lactating * Medications that may influence or inhibit appetite, sensory functioning, or hormone signaling- e.g. antibiotics, anti-depressants, obesity medications * Report of medical condition or surgical intervention that affects swallowing ability * Allergy, aversion, or dislike to any of the meal replacements or snacks offered * Previous or current diagnosis of a psychiatric illness such as schizophrenia or any other psychotic disorder listed in the DSM-IV or DSM-5 * Report of medical conditions that prohibits overnight fasting